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Dragging caption-less forms

The standard way to move a captionless form is to execute some tricky code from within the MouseDown event procedure. More advanced VB developers can reach the same result by setting up a subclassing procedure to fool the form into believing that the user had clicked on its title bar.

There's a solution halfway, though, that exploits the WM_NCBUTTONDOWN message but doesn't resort to subclassing:

This trick only works if the mouse is clicked on the form, so that the user's action can be trapped in the form's MouseDown event. If you want to drag the form wherever the mouse is clicked you must use a subclassing technique.